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Accumulation of (2,4-dichlorophenoxy)acetic acid and (2,4,5-trichlorophenoxy)acetic acid by parenchyma tissue as influenced by metabolic inhibitors and lecithin

, : Accumulation of (2,4-dichlorophenoxy)acetic acid and (2,4,5-trichlorophenoxy)acetic acid by parenchyma tissue as influenced by metabolic inhibitors and lecithin. Physiologia Plantarum 27(3): 338-341

The influence of lecithin and several specific metabolic inhibitors on accumulation of 2,4-D and 2,4,5-T by parenchyma tissue was studied in potato tuber discs. Treatments with carbonyl-cyanide m-chlorophenylhydrazone, an inhibitor of oxidative phosphorylation, and N,N'-dicyclohexylcarbodiimide, an inhibitor of membrane-bound ATP, showed that 2,4-D and 2,4,5-T accumulation were independent of available energy as influenced by these metabolic inhibitors.


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